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Crumbtrail TV Forums: TV Equipment: TV Repair Forum:
tc-40a420u blinking red

 

 


haluk.baykara
New User

May 23, 2020, 1:50 PM

Post #1 of 1 (95 views)
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tc-40a420u blinking red Can't Post

I have a TC-40A420U that doesn't power on. It powers on for few seconds, than it turns off and red light blinks continuously. I have the service manual, I checked the test points on the P-Board, 5.3 v and 24 v are fine but 16 V only at the power on, then the voltage drops.
I also wanted to check A-Board, but couldn't find the test points on the board. There are 5 test points, but couldn't locate them.
I am not sure where to check for failure, power supply or main or ?.
any kind of help is appreciated. tks


 
 
 


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